How metal atoms can arrange themselves on an insulator
In order to produce tiny electronic memories or sensors in the future, it is essential to be able to arrange individual metal atoms on an insulating layer. Scientists at Bielefeld University's Faculty of Chemistry have now demonstrated that this is p.....»»
Surprise physics in insulating material offer path for faster tech
Researchers led by Cornell have discovered an unusual phenomenon in a metal-insulating material, providing valuable insights for the design of materials with new properties by way of faster switching between states of matter......»»
Scientists develop new molecular system made from abundant element manganese for photooxidation
Highly reducing or oxidizing photocatalysts are a fundamental challenge in photochemistry. Only a few transition metal complexes with Earth-abundant metal ions have so far advanced to excited state oxidants, including chromium, iron, and cobalt. All.....»»
New adhesive tape picks up and sticks down 2D materials as easily as child"s play
Materials just atoms in thickness, known as two-dimensional (2D) materials, are set to revolutionize future technology, including in the electronics industry. However, commercialization of devices that contain 2D materials has faced challenges due to.....»»
New techniques for making qubits out of erbium
Qubits are the building block for quantum technology, and finding or building qubits that are stable and easily manipulated is one of the central goals of quantum technology research. Scientists have found that an atom of erbium—a rare-earth metal.....»»
MXene-coated devices can guide microwaves in space and lighten the payload
One of the most important components of satellites that enable telecommunication is the waveguide, which is a metal tube for guiding radio waves. It is also one of the heaviest payloads satellites carry into orbit. As with all space technology, reduc.....»»
Advanced measurements unravel nanoscale phenomena in tungsten diselenide
Semiconductor 2D materials are a few atoms thick, and some of them exhibit localized emission, where light is emitted from such a small part of the layer that only one photon at a time is produced. This localized emission has unique properties and is.....»»
Guanine synthesis yields new insights into nitrogen"s role in nanocarbon catalysis
Recently, carbon-based catalysts—especially nitrogen-doped nanocarbons—have emerged as sustainable, reliable alternatives to the metal catalysts traditionally used to support chemical reactions......»»
A protective layer applied to gold nanoparticles can boost its resilience
For the first time, researchers including those at the University of Tokyo have discovered a way to improve the durability of gold catalysts by creating a protective layer of metal oxide clusters. The enhanced gold catalysts can withstand a greater r.....»»
Machine learning guides carbon nanotechnology
Carbon nanostructures could become easier to design and synthesize thanks to a machine learning method that predicts how they grow on metal surfaces. The new approach, developed by researchers at Japan's Tohoku University and China's Shanghai Jiao To.....»»
Scientists develop antiviral color nanocoating technology
Since the onset of COVID-19, we've become accustomed to seeing antiviral films attached to elevator buttons and public transportation handles. However, conventional antiviral films are made by mixing antiviral metal particles with polymers. Due to th.....»»
Design, synthesis and applications of functional zirconium-based metal-organic frameworks
In a review led by Prof. Zhijie Chen's group from Department of Chemistry at Zhejiang University, an overview of recent progress in the development of Zr-MOFs is provided. The article titled "Design, synthesis and applications of functional zirconium.....»»
Researchers develop new model to predict surface atom scattering
A group of Cornell-led researchers in the Center for Bright Beams has developed a new theoretical approach to calculate how atoms scatter from surfaces. The method, developed by recently conferred Cornell physics Ph.D. Michelle Kelley and her collabo.....»»
Quick and easy preparation of small-sized metal nanoparticles by microchip laser
Pulsed laser ablation in liquid (PLAL) is a reliable and versatile technique for producing metal nanoparticles (NPs) in solution. Its advantages, including the absence of reducing agents, operational simplicity, high purity without purification steps.....»»
New study validates method for guided discovery of 3D flat-band materials
Rice University scientists have discovered a first-of-its-kind material, a 3D crystalline metal in which quantum correlations and the geometry of the crystal structure combine to frustrate the movement of electrons and lock them in place......»»
Researchers develop puffed-up MOFs for improved drug delivery
The spongelike structure of metal-organic frameworks (MOFs) allows these polymers to possibly carry and deliver a range of therapeutic compounds. Now, researchers reporting in ACS Applied Bio Materials have treated a chromium-containing MOF with a do.....»»
Team accomplishes precise measurements of the heaviest atoms
An international research team has successfully conducted ultra-precise X-ray spectroscopic measurements of helium-like uranium. The team, which includes researchers from Friedrich Schiller University Jena and the Helmholtz Institute Jena (both in Ge.....»»
New design improves water decontamination via plasma jet
Plasma is an ionized gas—that is, a gas containing electrons, ions, atoms, molecules, radicals, and photons. It is often called the fourth state of matter, and surprisingly, it permeates everything. Plasmas, which are artificially generated by tran.....»»
Bronze jewelry sheds light on prehistoric ritual
Excavation at the dried-out lake site of Papowo Biskupie in north-central Poland has revealed more than 550 bronze artifacts, providing the most telling evidence of ritual deposition of metal by the occupants of the region from 1200–450 BC, known a.....»»
Researchers develop hybrid superamphiphobic anti-corrosion and anti-icing coating
Corrosion and failure of metal materials has been a problem that researchers and engineers are eager to solve. Inspired by the lotus effect, biomimetic superhydrophobic materials with typical non-wetting properties at the interface have shown great p.....»»
Constellium finds ‘impure" aluminum a potential aid to automakers
North America has been straining to keep up with growing demand for aluminum. French supplier Constellium is showing that recycled metal can help satisfy the market......»»